#Release highlights: -OpenCV is now C++11 library and requires C++11-compliant compiler. Minimum required CMake version has been raised to 3.5.1. -A lot of C API from OpenCV 1.x has been removed. -Persistence (storing and loading structured data to/from XML, YAML or JSON) in the core module has been completely reimplemented in C++ and lost the C API as well. -New module G-API has been added, it acts as an engine for very efficient graph-based image procesing pipelines. -dnn module now includes experimental Vulkan backend and supports networks in ONNX format. -The popular Kinect Fusion algorithm has been implemented and optimized for CPU and GPU (OpenCL) -QR code detector and decoder have been added to the objdetect module -Very efficient and yet high-quality DIS dense optical flow algorithm has been moved from opencv_contrib to the video module.
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